Is 91 a Prime Number?

Nope. Ninety one is not prime. But 91 is still beautiful on the inside. Isn't homework easy? Thanks, Internet!
What are the factors of 91?
What is the prime factorization of 91?

Maybe you'd like to know what is the absolute value of -91?
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Random atomic facts:cerium praseodymium neodymium promethium samarium europium gadolinium terbium dysprosium holmium